Digital Lifestyle Outfitters (DLO) today introduced the DLO nanoShell line of cases for the iPod nano. The DLO nanoShell is a hard transparent protective case for the iPod nano that’s offered in five distinctive colors. Each nanoShell package also includes two interchangeable backings that provide either a transparent matching smooth back or a solid color reinforced belt clip backing. The DLO nanoShell cases are priced at US$14.99.